Infineon Technologies CY8C4147LQS-S473
- Part No.:
- CY8C4147LQS-S473
- Manufacturer:
- Infineon Technologies
- Category:
- Microcontrollers
- Package:
- 40-UFQFN Exposed Pad
- Datasheet:
-
CY8C4147LQS-S473.pdf
- Description:
- IC MCU 32BIT 128KB FLASH 40QFN
- Quantity:
- Payment:

- Shipping:

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Product details
Overview
CY8C4147LQS-S473 from Infineon is an AEC-Q100 Grade-S (–40°C to +105°C) automotive-grade PSoC™ 4100S Plus microcontroller featuring a 48-MHz Arm® Cortex®-M0+ CPU, 128 KB flash, 16 KB SRAM, and integrated CAPSENSE™ capacitive sensing with SmartSense auto-tuning. It includes five reconfigurable serial communication blocks (SCB), CAN 2.0B with TTCAN support, and eight 16-bit TCPWM blocks - deployed in automotive body control modules for touch-enabled door handles and climate panels.
For engineers reviewing the CY8C4147LQS-S473 datasheet, CY8C4147LQS-S473 pinout, CY8C4147LQS-S473 application, or CY8C4147LQS-S473 equivalent, key selection criteria include AEC-Q100 Grade-S qualification, on-chip CAPSENSE™ SNR >5:1 with water tolerance, CAN 2.0B + TTCAN timing compliance, Deep Sleep current ≤2.5 µA, and 54 GPIO with programmable drive strength and slew rate.
Technical Context
The device implements a tightly coupled mixed-signal architecture where the Arm® Cortex®-M0+ core executes firmware while dedicated hardware blocks handle real-time analog acquisition (12-bit 1-Msps SAR ADC), sigma-delta capacitive sensing (CSD), and deterministic CAN message scheduling via TTCAN. Its clock system integrates a 4–33 MHz ECO, PLL, WCO, and ±2% IMO for multi-domain timing control.
Programmable analog resources include two opamps supporting ADC input buffering and comparator modes with Deep Sleep operation, plus two IDACs usable for CAPSENSE™ or general-purpose current sourcing. Digital flexibility comes from Smart I/O logic blocks, eight TCPWM units with quadrature decode and kill-signal triggering, and five SCBs configurable as I²C/SPI/UART/LIN.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm® Cortex®-M0+, 48 MHz - enables real-time deterministic control with Thumb-2 instruction set and NVIC for low-latency interrupt handling. |
| Flash / SRAM | 128 KB flash with Read Accelerator / 16 KB SRAM - supports secure bootloader storage, CAPSENSE™ tuning tables, and dual-bank firmware updates. |
| ADC | 12-bit SAR, 1 Msps, differential/single-ended, channel sequencer with signal averaging - delivers high-resolution sensor data acquisition for temperature, pressure, or position feedback. |
| CAPSENSE™ | Capacitive sigma-delta (CSD) with SNR >5:1 and water tolerance - enables reliable touch detection under condensation or glove use in automotive interiors. |
| CAN Interface | CAN 2.0B with Time-Triggered CAN (TTCAN) - provides deterministic message scheduling and synchronization for safety-critical body domain networks. |
| Power Range | 1.71 V to 5.5 V supply, Deep Sleep current ≤2.5 µA - allows direct battery connection and ultra-low-power wake-on-touch operation. |
| GPIO Count | 54 programmable pins with configurable drive mode, strength, and slew rate - supports mixed-signal routing, CAPSENSE™ electrodes, LCD segment drive, and high-speed digital interfaces. |
Pinout & Package
Package: 48-pin QFN (7 mm × 7 mm, 0.5 mm pitch), RoHS-compliant, wettable flank option available.
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDDIO0–VDDIO3 | I/O power domains | Four independent 1.71–5.5 V I/O banks enable mixed-voltage interfacing (e.g., 3.3 V MCU logic + 5 V analog sensors). |
| P0[0]–P9[7] | Programmable GPIO | All 54 pins support CAPSENSE™, analog input/output, digital logic, or LCD segment drive - no fixed-function pin constraints. |
| CAN_TX / CAN_RX | Dedicated CAN physical layer interface | Hardwired to internal CAN controller; supports bus termination and ESD protection per ISO 11898-2. |
| XTAL_IN / XTAL_OUT | External crystal oscillator terminals | Support 4–33 MHz ECO for precise timing; required for CAN bit timing accuracy and USB-like clock derivation. |
| WCO_IN / WCO_OUT | 32.768 kHz watch crystal interface | Enables RTC operation and low-power wake-up events during Deep Sleep without waking CPU. |
Key Features
| Feature | Design Value |
|---|---|
| SmartSense™ auto-tuning | Hardware-accelerated CAPSENSE™ calibration eliminates manual firmware tuning and maintains SNR >5:1 across temperature/humidity drift. |
| TTCAN compliance | Hardware timestamping and schedule enforcement ensure deterministic CAN frame transmission within ±1 µs jitter for ASIL-B–aligned systems. |
| Deep Sleep with active analog | Opamps, comparators, and CSD block remain operational at ≤2.5 µA system current - enables always-on touch wake-up without external supervisors. |
| Reconfigurable SCBs | Five serial blocks dynamically switch between I²C master/slave, SPI master/slave, UART, or LIN slave - reduces BOM count and PCB footprint. |
| Programmable Smart I/O | Boolean logic on port inputs/outputs enables glitch-free signal conditioning (debounce, edge detection, level translation) without CPU intervention. |
Applications
| Automotive Door Module | Climate Control Panel |
|---|---|
Use Scenario: Capacitive touch buttons and sliders on vehicle door trim control window lift, mirror fold, and lock/unlock functions. IC Role / Device Role / Timing Role: Primary MCU executing touch firmware, managing CAN gateway to body control unit, and driving local LED indicators. Use Value: SmartSense™ maintains reliable touch detection through condensation and glove use; TTCAN ensures synchronized status reporting with <1 µs timing jitter. | Use Scenario: Touch-sensitive HVAC interface with rotary encoder emulation and ambient light–adaptive display backlight. IC Role / Device Role / Timing Role: System-on-chip handling CAPSENSE™, 12-bit ADC for thermistor reading, PWM for fan speed control, and LIN slave communication to HVAC actuator. Use Value: Integrated 1-Msps SAR ADC and TCPWM eliminate external signal conditioning ICs; programmable GPIO drive strength supports direct LED current sourcing. |
| Steering Wheel Controls | Seat Position Memory System |
Use Scenario: Multi-function capacitive controls embedded in leather-wrapped steering wheel for audio, cruise, and phone functions. IC Role / Device Role / Timing Role: Low-power touch controller with wake-on-touch capability, CAN transmitter for command relay, and watchdog supervision of critical functions. Use Value: Deep Sleep current ≤2.5 µA enables continuous monitoring without draining 12 V battery; AEC-Q100 Grade-S rating guarantees operation up to +105°C under hood proximity. | Use Scenario: Motorized seat with position memory, lumbar adjustment, and heating control managed via touch panel and CAN feedback loop. IC Role / Device Role / Timing Role: Central controller acquiring potentiometer and thermistor readings, driving H-bridge gate drivers via PWM, and logging seat profiles to flash. Use Value: 128 KB flash stores multiple user profiles and firmware-safe update partitions; integrated opamps buffer analog sensor signals without external amplifiers. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar automotive microcontroller applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| NXP S32K144HAT0MLHT | ARM Cortex-M4F core, 112 MHz, 1 MB flash, no integrated CAPSENSE™, includes Ethernet MAC | Targets higher-compute ADAS gateway roles; requires external touch controller for capacitive UI | Select when needing floating-point math, larger code space, or Ethernet connectivity - not for cost-sensitive touch-only nodes. |
| Renesas RL78/F13 | 16-bit RL78 core, 32 MHz, 256 KB flash, built-in touch voltage scanner (no sigma-delta), no CAN FD or TTCAN | Suitable for basic touch+CAN body nodes but lacks CSD SNR >5:1 and deterministic TTCAN scheduling | Select only for legacy 16-bit migration paths where CAN timing jitter >5 µs is acceptable and water tolerance is not required. |
Compared with S32K144HAT0MLHT and RL78/F13, CY8C4147LQS-S473 uniquely integrates high-SNR CAPSENSE™, TTCAN, and Deep Sleep analog retention in a single AEC-Q100 Grade-S package - reducing BOM count and enabling compact, low-power automotive touch nodes without external timing or sensing ICs.
Availability
CY8C4147LQS-S473 is available at Aetrix Electronics and suitable for automotive body electronics, touch-based human-machine interfaces, and CAN-connected sensor nodes requiring stable component supply across extended temperature ranges and long production lifecycles.
Supply support for CY8C4147LQS-S473 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.
Manufacturer
Infineon Technologies is a German semiconductor manufacturer specializing in power management, automotive MCUs, and security solutions, with global R&D and manufacturing infrastructure.
CY8C4147LQS-S473 belongs to the PSoC™ 4100S Plus product line, designed specifically for AEC-Q100-compliant automotive body electronics requiring integrated capacitive sensing, deterministic CAN communication, and ultra-low-power operation.
FAQ
Does CY8C4147LQS-S473 support CAN FD?
No. CY8C4147LQS-S473 integrates a CAN 2.0B controller with Time-Triggered CAN (TTCAN) capability, but does not support CAN FD data rates or extended frame formats. It complies with ISO 11898-1:2015 for classical CAN only, with bit rates up to 1 Mbps and hardware timestamping for deterministic scheduling.
What development tools are officially supported for this device?
Infineon officially supports ModusToolbox™ (v3.1+) and PSoC™ Creator (v4.4) for CY8C4147LQS-S473. ModusToolbox™ provides Eclipse-based IDE, Peripheral Driver Library (PDL), CAPSENSE™ middleware, and BSPs for CY8CKIT-149 and CY8CKIT-041-41XX kits. PSoC™ Creator offers schematic-driven design with automatic analog/digital routing and component-based API generation.
Is the 12-bit SAR ADC capable of simultaneous sampling?
No. The 12-bit SAR ADC has a single conversion engine with a channel sequencer supporting up to 32 channels, but it performs conversions sequentially - not simultaneously. Signal averaging across multiple samples is supported in hardware to improve effective resolution, but true multi-channel simultaneous sampling requires external ADCs or higher-tier PSoC™ devices with dual ADCs.
How is CAPSENSE™ performance validated for automotive environments?
CAPSENSE™ performance is validated per AEC-Q200 stress tests including thermal cycling (–40°C to +105°C), humidity exposure (85% RH, 85°C), and condensation resistance. Infineon's CSD implementation achieves >5:1 SNR under water droplet conditions and maintains baseline tracking stability across voltage (1.71–5.5 V) and temperature gradients using hardware-accelerated SmartSense™ auto-calibration.
CY8C4147LQS-S473 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- Infineon Technologies
- Package/Case:
- 40-UFQFN Exposed Pad
- Series:
- PSOC™ 4 CY8C4100S
- Packaging:
- Tray
- Product Status:
- Active
- Programmable:
- Not Verified
- Core Processor:
- ARM® Cortex®-M0+
- Core Size:
- 32-Bit Single-Core
- Speed:
- 48MHz
- Connectivity:
- CANbus, I2C, IrDA, LINbus, Microwire, SmartCard, SPI, SSP, UART/USART
- Peripherals:
- Brown-out Detect/Reset, CapSense, LCD, POR, PWM, WDT
- Number of I/O:
- 34
- Program Memory Size:
- 128KB (128K x 8)
- Program Memory Type:
- FLASH
- EEPROM Size:
- -
- RAM Size:
- 16K x 8
- Voltage - Supply (Vcc/Vdd):
- 1.71V ~ 5.5V
- Data Converters:
- A/D 10/12b SAR; D/A 2x7b
- Oscillator Type:
- Internal
- Operating Temperature:
- -40°C ~ 105°C (TA)
- Grade:
- Automotive
- Qualification:
- AEC-Q100
- Mounting Type:
- Surface Mount, Wettable Flank
- Supplier Device Package:
CY8C4147LQS-S473 FAQ
1.How can I place an order for CY8C4147LQS-S473 through Aetrix?
Please submit a Request for Quotation (RFQ) for CY8C4147LQS-S473 on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.
2.Are the price and stock information for CY8C4147LQS-S473 reliable?
The price and inventory of CY8C4147LQS-S473 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for CY8C4147LQS-S473 is usually 5 days.
3.What payment methods are accepted for CY8C4147LQS-S473?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for CY8C4147LQS-S473 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for CY8C4147LQS-S473?
CY8C4147LQS-S473 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your CY8C4147LQS-S473 order is processed, you will receive an email with the shipment details and tracking number.
Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.
5.How can I obtain technical support or documentation for CY8C4147LQS-S473?
For technical support, including CY8C4147LQS-S473 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your CY8C4147LQS-S473 requirements.
6.How does Aetrix verify that CY8C4147LQS-S473 is sourced from the original manufacturer or authorized distributors?
All CY8C4147LQS-S473 products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that CY8C4147LQS-S473 meets industry standards.
7.What is the process for return or replacement of CY8C4147LQS-S473?
All CY8C4147LQS-S473 units undergo pre-shipment inspection (PSI). If there is an issue with CY8C4147LQS-S473, returns or replacements are accepted under the following conditions:
1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.
2.The issue is reported within 90 days of delivery.
3.The CY8C4147LQS-S473 part is unused and in its original packaging.
Return procedure for CY8C4147LQS-S473:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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